<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0465-546X</journal-id>
<journal-title><![CDATA[Medicina y Seguridad del Trabajo]]></journal-title>
<abbrev-journal-title><![CDATA[Med. segur. trab.]]></abbrev-journal-title>
<issn>0465-546X</issn>
<publisher>
<publisher-name><![CDATA[Escuela Nacional de Medicina del Trabajo. Instituto de Salud Carlos III]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0465-546X2018000200109</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Nanomateriales: un acercamiento a lo básico]]></article-title>
<article-title xml:lang="en"><![CDATA[Nanomaterials: Being Closer to Basics]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lizarazo-Salcedo]]></surname>
<given-names><![CDATA[César Germán]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Jiménez]]></surname>
<given-names><![CDATA[Edgar Emir]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arias-Portela]]></surname>
<given-names><![CDATA[Claudia Yohana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guarguati-Ariza]]></surname>
<given-names><![CDATA[Juliana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Pontificia Universidad Javeriana Departamento de Ingeniería Industrial ]]></institution>
<addr-line><![CDATA[Bogotá D.C. ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Pontificia Universidad Javeriana Grupo de Investigación de Nanociencia y Nanotecnología Departamento de Ingeniería Industrial]]></institution>
<addr-line><![CDATA[Bogotá D.C. ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Tecnológico de Monterrey Departamento de Ingeniería Industrial ]]></institution>
<addr-line><![CDATA[México DF ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2018</year>
</pub-date>
<volume>64</volume>
<numero>251</numero>
<fpage>109</fpage>
<lpage>118</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S0465-546X2018000200109&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S0465-546X2018000200109&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S0465-546X2018000200109&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El término nanomaterial se refiere a una sustancia o conjunto de sustancias en la escala de los nanómetros donde los constituyentes son átomos y/o moléculas. Varios países comprometidos con iniciativas en nanotecnología ya han formulado una definición para nanomateriales, aunque aún no existe un amplio consenso frente a una única definición. Actualmente se debate sobre la conveniencia o no de contar con una definición consensuada y estandarizada a nivel global. Se puede argumentar que esta falta de consenso puede dificultar la tarea regulatoria y normativa, así como la búsqueda de acuerdos y estándares internacionales. En este trabajo, se realiza una revisión de las definiciones existentes sobre nanomateriales, su incorporación en la industria y los factores de riesgo por exposición ocupacional a estas entidades. Finalmente, se ofrecen algunas recomendaciones para adoptar criterios de evaluación del impacto de los nanomateriales en la salud humana y el medio ambiente.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The concept of nanomaterial refers to a substance or group of substances on the nanometer scale where the components are atoms and/or molecules. Although there is not a broad consensus on a single definition of them yet, many countries committed to nanotechnology initiatives have already proposed a definition for nanomaterial. The need of a worldwide agreed and standardized definition is nowadays being discussed. It can be argued that this lack of consensus can obstruct the regulatory and normative enforcement, as well as the search for agreements and international standards. In this paper, a review is made based on the existing definitions of nanomaterial, their incorporation into the industry and the risk factors for occupational exposure to these agents. Finally, some recommendations are given in order to adopt criteria for evaluating the impact of nanomaterials on human health and the environment.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[nanomaterial]]></kwd>
<kwd lng="es"><![CDATA[parámetros nanomateriales]]></kwd>
<kwd lng="es"><![CDATA[legislación en nanomateriales]]></kwd>
<kwd lng="es"><![CDATA[salud ocupacional nanomateriales]]></kwd>
<kwd lng="en"><![CDATA[nanomaterial]]></kwd>
<kwd lng="en"><![CDATA[nanomaterial parameters]]></kwd>
<kwd lng="en"><![CDATA[nanomaterials legislation]]></kwd>
<kwd lng="en"><![CDATA[occupational health nanomaterials]]></kwd>
</kwd-group>
</article-meta>
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